Lost Time Can Never Return

Recording by Shanghai Qiutian.

Recording identifiers

ISRC
TCAED1914086
CopyrightID (CopyrightChains transaction hash)
0x3f109aeac7e89a8524be36b6db291d0ee7a1e1a47f8b01589353961862fafacb
Copyright registration time
2026-07-06T20:07:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:35bf8e6e77295bf3d1563f600645280c0d04b60bfaf4fe2b67d36312d3726a09

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.